Route Price Intelligence
Cheap Flights From Washington, D.C. to San Diego
Live pricing benchmarks, monthly patterns, and historical lows for this route.
San Diego usually runs well above $210 out of DCA, and this one-stop Frontier fare lands right near the cheapest we've tracked on this route. It's a great way to cover the coast-to-coast trip for beaches, breweries, and better weather without paying premium nonstop pricing. Booking windows are open now, so there's plenty of runway to plan around it.
✓ 5 date combinations found at this price
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Best Time to Fly from Washington, D.C. to San Diego
The cheapest time to fly from Washington, D.C. to San Diego is typically May, when fares average around $312. The most expensive month tends to be April at around $453. For the best deals, consider flying in May, July, August.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route